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Our Team

Sales Team

Gary Xu

General Manager - Cemotech
Join in Celotech since 2017.Taking in charge of sales in more than 30 countries&regions.Experienced with various types of construction additives.

Slawomir Krygier

Regional Sales Director - Europe
More than 10 years experience in chemicals, especially construction additives.

Ali Rizwan

Techical Director - South Asia, Middle East and Africa
Chemical engineer, with over 15 years experience in specialty chemicals, specialized in paint and coatings.

Cheng Lu

Sales Manager
Be familiar with raw material, additives and formula of cement-based and gypsum-based mortar can help people to develop their formula and save cost;
Have rich experience in analysing problems caused by additives, formula and environment and supply suitable solutions.

Stella Shen

Regional Sales Director-Asia
With over 10 years of overseas sales experience, including 3+ years specializing in construction additives, achieving 100% customer satisfaction. Skilled in international trade negotiations, cross-cultural communication, and developing data-driven sales strategies to drive consistent revenue growth in competitive global markets.

Herman Zhu

Regional Sales Director - Africa
A 15-year veteran in international trade, skilled in strategic team collaboration planning. Proficient in commercial negotiations, cost accounting, and contract formulation. Provides specialized recommendations and technical support to clients in the construction chemicals sector, focusing on mortar, coating, and detergent products.

Ellie Yang

Sales Manager
Experienced in international trade and business development within the construction chemical additives industry. Focused on providing sustainable solutions, fostering long-term partnerships, and supporting clients with reliable quality and responsive service.

Eve Shi

Sales Manager
Leverage extensive product knowledge to solve client challenges in construction field. Passionate about communication, detail, and building strong connections with global clients. Committed to continuous learning and growth.

Evey Zhang

Sales Manager
Expertise in key account relationship management spanning over a decade. Dedicated to building strategic partnerships through a commitment to sustainable solutions, unwavering product quality, and a client-centric service approach that ensures long-term collaboration and value creation.

Supporting

Helen Wang

General Manager - Customer Care
With over a decade of focus in the construction additives sector, I am dedicated to providing reliable customer support. It is a true privilege to build lasting, trust-based partnerships and contribute to my clients’ project success.

Xiaoying BAO

Department Manager - Shipment & Logistics
A senior foreign trade documentation specialist with 6+ years of experience, proficient in preparing international trade documents for air, sea, and land shipments, managing customs clearance procedures, and skilled in handling letters of credit, bank collections, shipping documents, and customs clearance operations.

Rita Deng

Department Manager
With 15 years of experience in chemical industry logistics management across domestic and international markets, I possess expertise in end-to-end import/export operations and customs compliance. I excel at executing procurement and logistics tasks with precision and efficiency, while demonstrating strong capabilities in supplier coordination and cost optimization initiatives.

Ying Zhang

Raw Material Sourcing
Focused on securing stable and high-quality sources, I rigorously coordinate logistics and quality control to ensure a reliable and efficient supply chain.

Sylvia Chen

Shipment & Logistics
I work as a Documentation Specialist,I handle trade orders and ensure the accurate preparation of all customs documentation for export and import processes, guaranteeing smooth cargo clearance. Nice to meet everyone!

Application Lab

Xianggang Wang Ph.D

Consultant
20 years in construction industry and very experienced for construction additives and applications.

Junyi Wu

Application Manager
Materials major, familiar with proportion optimization and quality inspection, ensuring construction quality and efficiency
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